Layout.minimumWidth allows the width to briefly be set to a value less than the minimum width when adjusting a SplitView

import QtQuick 2.9
import QtQuick.Controls 1.4
import QtQuick.Layouts 1.3

Rectangle {
    id: root
    width: 400
    height: 200

    SplitView {
        anchors.fill: parent
        Item {
            id: leftItem
            height: parent.height
            width: 200
            Layout.minimumWidth: 100
            onWidthChanged: console.log("leftItem.width:  ", width)
        }

        Item {
            id: rightItem
            height: parent.height
            width: 200
            Layout.fillWidth: true
            onWidthChanged: console.log("rightItem.width: ", width)
        }
    }
}